#40B770#40B770

#40B770 is a light, vivid green. Relative luminance 0.361; OKLCH L 69.5% C 0.149 H 153.5°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#40B770
RGB	rgb(64, 183, 112)
HSL	hsl(144, 48%, 48%)
HSV	hsv(144, 65%, 72%)
CMYK	cmyk(65%, 0%, 38.8%, 28.2%)
CIE-LAB	lab(66.61, -49.24, 26.63)
CIE-LCH	lch(66.61, 55.98, 151.60°)
OKLab	oklab(69.53% -0.1331 0.0664)
OKLCH	oklch(69.53% 0.149 153.5)
XYZ	xyz(21.9706, 36.1245, 21.1410)
Luminance	0.3613 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B770 #B74087

analogous

#4BB740 #40B770 #40B7AB

triadic

#40B770 #7040B7 #B77040

tetradic

#40B770 #404BB7 #B74087 #B7AB40

square

#40B770 #404BB7 #B74087 #B7AB40

split-complementary

#40B770 #AB40B7 #B7404B

monochromatic

#205C38 #308A54 #40B770 #69CB91 #97DBB2

Accessibility & contrast

On white

2.55

#40B770 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#40B770 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B770

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B770	#FFFFFF	#000000	##000000
##40B770	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A96B

Deuteranopia (green-blind)

#A89E75

Tritanopia (blue-blind)

#00B5A5

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b770;
/* rgb */ color: rgb(64, 183, 112);
/* oklch */ color: oklch(69.5% 0.149 153.5);

Tailwind

colors: {
  custom: {
    50: '#82cd99',
    500: '#40b770',
    950: '#000000',
  },
}

SCSS

$custom: #40b770;
$custom-light: #82cd99;
$custom-dark: #000000;

JSON

{
  "hex": "#40b770",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 112
  },
  "hsl": {
    "h": 144.202,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69532,
    "c": 0.14879,
    "h": 153.5
  },
  "luminance": 0.36127
}

Semantic roles & 50–950 ramp

primary

#40B770

secondary

#C68DAF

accent

#50A1D8

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0C140E

muted

#7D827E

Preview Lab

Preview with #40B770

Body copy rendered with the generated semantic roles for this colour.

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